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Purpose:
The present study aims at investigating the physiological response and technical-tactical parameters in Brazilian jiu-jitsu competition.
Asian Journal of Sports Medicine
Sports Medicine Research Center, TUMS
e-ISSN 2008-7209
p-ISSN 2008-000X
Physiological and Technical-tactical Analysis in Brazilian Jiu-jitsu Competition
Authors
Leonardo V. Andreato2,*, Emerson Franchini2, Solange M.F. de Moraes1, Juliana J. Pastrio1, Danilo F. da Silva1, Joo V.D.C Esteves1, Braulio H.M. Branco1, Paulo V.dS. Romero1, Fabiana A. Machado1
2Martial Arts and Combat Sports Research Group, Sport Department, School of Physical Education and Sport, University of So Paulo, Brazil
1Exercise Physiology Laboratory, Human Physiology Department, University State of Maring, Brazil
*Corresponding Author: Exercise Physiology Laboratory, Human Physiology Department, University State of Maring, Brazil., vidal.leo@hotmail.com. Email: vidal.leo@hotmail.com
Published online:Feb 11, 2013
Article type:Research Article
Received:Aug 06, 2012
Accepted:Jan 14, 2013
How to Cite:Andreato LV, Franchini E, de Moraes SM, Pastrio JJ, da Silva DF, et al. Physiological and Technical-tactical Analysis in Brazilian Jiu-jitsu Competition. Asian J Sports Med. 2013;4(2):34496. doi: https://doi.org/10.5812/asjsm.34496
Abstract
Methods:
The study included 35 male Brazilian jiu-jitsu athletes (adult category, body mass: 80.2 13.0 kg), graded from white to brown belt, during combats fought at regional level. Twenty-two fights were analyzed in terms of technique and time structure. Blood glucose, lactate and maximal isometric grip strength were determined before and after the fights. The rate of perceived exertion was also assessed after the fight, using the 6-20 Borg rating. The fights were recorded and the following variables were determined: the exertion/pause ratio and subjective intensity of actions, categorized between low and high intensity.
Results:
The results indicated that during Brazilian jiu-jitsu fights, the glycolytic pathway is only moderately activated (lactate before: 4.4 (4.0 4.6) mmol/L, after: 10.1 (8.0 11.3) mmol/L; glucose before: 112.4 22.3 mg/dL, after: 130.5 31.0 mg/dL). The exertion during the fight resulted in significant reductions in handgrip strength (right hand grip before: 45.9 10.3 kgf, after: 40.1 9.5 kgf; left hand grip before: 44.2 11.1 kgf, after: 37.0 10.2 kgf). The athletes rated the fight as hard: 15 (13 15). Effort/pause ratio was 6:1, while high-intensity actions lasted approximately 4 s, resulting in a low/high intensity? ratio of 8:1.
Conclusion:
It is recommended that coaches direct the training loads to simulate the energy demand imposed by the competitive matches, activating moderately the glycolytic pathway. Moreover, the time structure of combats can be used to prescribe both physical and technical-tactical training.
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Copyright
© 2013, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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